Hydrodynamics modeling and electrochemical performance of a lab-scale single-channel cell through residence time distribution and kinetic studies

Zier, Taha; Bouafia, Souad; Rechidi, Youcef; Chabani, Malika

doi:10.5004/dwt.2022.29107

Cited by 2 publications

(4 citation statements)

References 31 publications

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“…In general, the amount of the flow's non-ideality is the uncontrollable component in scale-up, and this is frequently significantly different for small and big units. As a result, ignoring this element can lead to serious design flaws (117,118).…”

Section: New Proposal Of Electrochemical Reactormentioning

confidence: 99%

“…To address these challenges, a minimal amount of parameters must be defined in order for design to be feasible. In numerous circumstances, simply knowing how long individual molecules stay in the container, the residence time distribution of the fluid being flowed, is adequate for design (114,118).…”

Section: New Proposal Of Electrochemical Reactormentioning

confidence: 99%

“…After injection of the marker by the pulse-type technique, the curve E(t) is obtained, which has the normalized form, the area under the curve is unit, according to Equation 3.3 (117,118).…”

mentioning

confidence: 99%

“…The third parameter is additionally determined around the mean and is related to the skewness of the distribution. The magnitude of this moment measures the extent of the 94 asymmetry (s 3 ) of the distribution in one direction or the other with respect to the mean (114,118).…”

mentioning

confidence: 99%

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Estudo da eletrossíntese de peróxido de hidrogênio em reatores eletroquímicos utilizando eletrodo de difusão gasosa de carbono amorfo com benzofenona

Silva

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Primeiramente, gostaria de agradecer ao meu orientador Dr. Marcos Roberto de Vasconcelos Lanza, por todo apoio e ajuda no desenvolvimento dessa tese e também pelo meu desenvolvimento profissional como pesquisadora. Dr. Manuel Andrés Rodrigo, agradezco por lo aprendido y ayuda durante mi estadía en CiudadReal (España), lo que fue fundamental para la conclusión de la tesis y una gran oportunidad científica.

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Section: New Proposal Of Electrochemical Reactormentioning

confidence: 99%

Section: New Proposal Of Electrochemical Reactormentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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Estudo da eletrossíntese de peróxido de hidrogênio em reatores eletroquímicos utilizando eletrodo de difusão gasosa de carbono amorfo com benzofenona

Silva

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Parametric Mathematical Model of the Electrochemical Degradation of 2-Chlorophenol in a Flow-by Reactor under Batch Recirculation Mode

Regalado-Méndez,

Ramos-Hernández,

Natividad

et al. 2023

Water

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2-Chlorophenol (2-CP) is a dangerous organic contaminant found in wastewater. In this work, 2.5 L of a 2-CP solution (1 mol/m3) was electrochemically treated in a flow-by reactor equipped with two boron-doped diamond electrodes (BDD) under batch recirculation mode for a period for 4 h, a current density of 0.14 A/cm2, a volumetric flow rate of 1 L/min, and pH = 7.3. In this work, a parametric mathematical model of the degradation efficiency of 2-CP was developed using an axial dispersion model and a continuous stirred tank for the flow-by reactor (FBR), which was constructed using a shell mass balance considering the dispersion and convection terms and the reservoir tank (CST), which was constructed using a mass balance of 2-CP. The parametric mathematic model of the electrochemical degradation of 2-chlorophenol was numerically resolved by employing the software package COMSOL Multiphysics® V. 5.3, where a mass transfer equation for diluted species and a global differential equation represents the FBR and CST, respectively. The results indicate that the parametric mathematical model proposed in this research fits the experimental results, and this is supported by the index performance values such as the determination coefficient (R2 = 0.9831), the mean square error (MSE = 0.0307), and the reduced root-mean-square error (RMSE = 0.1754). Moreover, the degradation efficiency of 2-CP estimated by the proposed model achieves 99.06%, whereas the experimental degradation efficiency reached 99.99%, a comparative error of 0.93%. This corroborates the predictive ability of the developed mathematical model and the effectiveness of the employed electrooxidation process. Finally, a 0.143 USD/L total operating cost for the electrochemical plant was estimated.

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Hydrodynamics modeling and electrochemical performance of a lab-scale single-channel cell through residence time distribution and kinetic studies

Cited by 2 publications

References 31 publications

Estudo da eletrossíntese de peróxido de hidrogênio em reatores eletroquímicos utilizando eletrodo de difusão gasosa de carbono amorfo com benzofenona

Estudo da eletrossíntese de peróxido de hidrogênio em reatores eletroquímicos utilizando eletrodo de difusão gasosa de carbono amorfo com benzofenona

Parametric Mathematical Model of the Electrochemical Degradation of 2-Chlorophenol in a Flow-by Reactor under Batch Recirculation Mode

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